Methods of producing deformed metal articles
View Patent ↗A method of making metal articles as well as sputtering targets is described, which involves deforming an ingot to preferred dimensions. In addition, products made by the process of the present invention are further described.
1. A BCC metal having a texture gradient uniformity factor (H) of 0.3 or less wherein said BCC metal is a plate and is ingot-derived from melt feedstock.
2. The BCC metal of claim 1 , wherein said texture gradient uniformity factor is from about 0.1 to 0.2.
3. The BCC metal of claim 1 , wherein said texture gradient uniformity factor is from about 0.12 to about 0.17.
4. The BCC metal of claim 1 , wherein said BCC metal is tantalum.
5. The BCC metal of claim 1 , wherein the uniformity factor varies no more than ±0.1 throughout the BCC metal.
6. The BCC metal of claim 1 , wherein said BCC metal is tantalum or niobium, and having a metal purity of at least 99.95% of said BCC metal, and having an average grain size of 150 microns or less.
7. The BCC metal of claim 6 , wherein at least 95% of all grains present have a grain size of 100 microns or less.
8. The BCC metal of claim 6 , wherein said BCC metal has a degree random or times random of texture throughout the plate which varies no more than 5 degrees or times random.
9. The BCC metal of claim 6 , wherein said BCC metal has a degree random or times random of texture throughout the plate which varies no more than 2 degrees or times random.
10. The BCC metal of claim 1 , wherein said BCC metal is tantalum or niobium, and having a metal purity of at least 99.95% of said BCC metal, and having an average grain size of 5 to 50 microns.
11. The BCC metal of claim 10 , wherein at least 95% of all grains present have a grain size of 75 microns or less.
12. The BCC metal of claim 10 , wherein said BCC metal has a degree random or times random of texture throughout the plate which varies no more than 5 degrees or times random.
13. The BCC metal of claim 10 , wherein said BCC metal has a degree random or times random of texture throughout the plate which varies no more than 2 degrees or times random.
14. A BCC metal having a texture gradient banding factor (B) of 0.1 or less wherein said BCC metal is a plate and is ingot-derived from melt feedstock, and wherein said BCC metal has a texture gradient uniformity factor (H) of 0.2 or less.
15. The BCC metal of claim 14 , wherein said texture gradient banding factor is from about 0.01 to about 0.075.
16. The BCC metal of claim 14 , wherein said texture gradient banding factor is from about 0.02 to about 0.05.
17. The BCC metal of claim 14 , wherein said texture gradient uniformity factor is from about 0.1 to 0.2.
18. The BCC metal of claim 14 , wherein said texture gradient uniformity factor is from about 0.12 to about 0.17.
19. The BCC metal of claim 14 , wherein said BCC metal is tantalum.
20. The BCC metal of claim 14 , having a metal purity of at least 99.95% of said BCC metal.
21. The BCC metal of claim 14 , wherein said BCC metal has an average grain size of about 75 microns or less.
22. The BCC metal of claim 14 , wherein said BCC metal is tantalum and has a primary (111) texture throughout the thickness of the BCC metal.
23. The BCC metal of claim 14 , wherein the texture gradient banding factor varies no more than ±0.05 throughout the BCC metal.
24. The BCC metal of claim 14 , wherein said BCC metal is tantalum or niobium, and having a metal purity of at least 99.95% of said BCC metal, and having an average grain size of 150 microns or less.
25. The BCC metal of claim 24 , wherein at least 95% of all grains present have a grain size of 100 microns or less.
26. The BCC metal of claim 24 , wherein said BCC metal has a degree random or times random of texture throughout the plate which varies no more than 5 degrees or times random.
27. The BCC metal of claim 24 , wherein said BCC metal has a degree random or times random of texture throughout the plate which varies no more than 2 degrees or times random.
28. The BCC metal of claim 14 , wherein said BCC metal is tantalum or niobium, and having a metal purity of at least 99.95% of said BCC metal, and having an average grain size of 5 to 50 microns.
29. The BCC metal of claim 28 , wherein at least 95% of all grains present have a grain size of 75 microns or less.
30. The BCC metal of claim 28 , wherein said BCC metal has a degree random or times random of texture throughout the plate which varies no more than 5 degrees or times random.
31. The BCC metal of claim 28 , wherein said BCC metal has a degree random or times random of texture throughout the plate which varies no more than 2 degrees or times random.